import { loadConfig } from './index.js'
import { LoadConfigError } from './loadConfig.js'
import { flip, runSync } from 'effect/Effect'
import { join } from 'path'
import { describe, expect, it } from 'vitest'

describe(loadConfig.name, () => {
	it('should work in basic case', () => {
		expect(
			runSync(loadConfig(join(__dirname, 'fixtures/basic'))),
		).toMatchInlineSnapshot(`
			{
			  "foundryProject": false,
			  "libs": [],
			  "remappings": {},
			}
		`)
	})

	it('should work with jsconfig', () => {
		expect(() =>
			runSync(loadConfig(join(__dirname, 'fixtures/jsconfig'))),
		).toMatchInlineSnapshot('[Function]')
	})

	it('should work with jsonc (json with comments)', () => {
		expect(
			runSync(loadConfig(join(__dirname, 'fixtures/jsonc'))),
		).toMatchInlineSnapshot(`
			{
			  "foundryProject": false,
			  "libs": [],
			  "remappings": {},
			}
		`)
	})

	it('should work with foundry', () => {
		expect(
			runSync(loadConfig(join(__dirname, 'fixtures/withFoundry'))),
		).toMatchInlineSnapshot(`
			{
			  "foundryProject": false,
			  "libs": [],
			  "remappings": {},
			}
		`)
	})

	it('should throw an error if tsconfig.json does not exist', () => {
		expect(() =>
			runSync(loadConfig('nonexistentpath')),
		).toThrowErrorMatchingSnapshot()
	})

	it('should throw an InvalidConfigError when the tsconfig.json is not valid', () => {
		const configEffect = loadConfig(join(__dirname, 'fixtures/invalid'))
		const errorChannel = flip(configEffect)
		const e = runSync(errorChannel)
		expect(e).toBeInstanceOf(LoadConfigError)
		expect(e._tag).toBe('InvalidConfigError')
		expect(e.name).toBe('InvalidConfigError')
		expect(
			e.message.startsWith('InvalidConfigError: Unable load config from'),
		).toBe(true)
	})

	it('should throw a ParseJsonError when the tsconfig.json is not valid json', () => {
		const configEffect = loadConfig(join(__dirname, 'fixtures/invalidJson'))
		const errorChannel = flip(configEffect)
		const e = runSync(errorChannel)
		expect(e).toBeInstanceOf(LoadConfigError)
		expect(e._tag).toBe('ParseJsonError')
		expect(e.name).toBe('ParseJsonError')
		expect(
			e.message.startsWith('ParseJsonError: Unable load config from'),
		).toBe(true)
	})
})